Disposable absorbent article having a decoupled, randomly arranged absorbent structure
US6191340A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1998 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Dec 23, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/53747
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable absorbent article which is substantially flat prior to use for wearing adjacent a body discharge area, having a body facing surface and a garment facing surface. The disposable absorbent article includes a liquid pervious topsheet, a backsheet, and an absorbent core intermediate the topsheet and backsheet. The absorbent core has a body facing surface and a garment facing surface, and has an expanding layer for expanding the article into a tridimensional structure while being worn by a user. The expanding layer includes a number of smaller expanding elements that are activated by body fluids, are decoupled from one another, and are capable of expanding substantially in only one direction upon activation by body fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.